😕 Or is it just an 'inexact art'?
well i guess if your next chain wears out at a super fast rate then you can guess its buggered - thats the expensive way of finding out like i did 🙁
I work on the old rule that if the outgoing chain has 0.5% stretch or more then the cassette goes with it.
if a new chain skips is the only way I know.
[i]if a new chain skips is the only way I know[/i]
Yep, what TJ said.
Rohloff make a tool it costs about £20
http://www.rohloff.de/en/products/hg_ig_check/
I have 2-3 PG990 cassettes in my spares, but don't know/can't remember how many miles they've done (not that many is my guess!), guess I can just give each one a go with a new chain and see what happens!
I go by looking at the teeth and seeing if they have heavy indent/lips on the teeth
if it slips, it's for the skip(s)
I think the general technique used on the classifieds is:
Look at it - if it still has teeth then its in good condition and has only covered 50 miles.
LOL @ David 🙂
APF
Does anyone really buy secondhand cassettes?
